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Senior Full-Stack Developer (Optimizely)

World leader in stone wool solutions, transforming volcanic rock into sustainable products with 12,200+ employees across 40+ countries and 51 manufacturing facilities.
Poznań, Poland
Frontend
Senior Software Engineer
Hybrid
5,000+ Employees
4+ years of experience
Enterprise SaaS · E-Commerce

Description For Senior Full-Stack Developer (Optimizely)

ROCKWOOL, the global leader in stone wool solutions, is seeking a Senior Full-Stack Developer to join their innovative e-commerce and marketing platform development team. This role offers an exciting opportunity to work on a modern tech stack including .NET 8+, NextJS, React, and various cloud technologies. The position is based in Poznań, Poland, where you'll be part of a collaborative and positive team environment.

The role involves developing scalable solutions across the full stack, from backend services to frontend implementations, utilizing Optimizely CMS and microservices architecture. You'll work with cutting-edge technologies including Apache Kafka, SQL Server, and modern frontend frameworks while implementing automated deployment pipelines and maintaining high-quality code standards.

ROCKWOOL offers an attractive compensation package including hybrid work options, flexible hours, comprehensive health benefits, and professional development opportunities. The modern office space in Poznan's city center provides an excellent working environment with various amenities and recreational facilities.

The ideal candidate brings 4+ years of .NET experience, strong full-stack development skills, and a passion for technical excellence. Knowledge of React, cloud technologies, and experience with headless CMS systems are highly valued. This role offers the opportunity to contribute to sustainable solutions while working with a global team of 12,200+ employees across 40+ countries.

Last updated a month ago

Responsibilities For Senior Full-Stack Developer (Optimizely)

  • Developing robust, scalable technical solutions
  • Implementing and maintaining automated build and deployment pipelines
  • Developing features across the stack—from data access and business logic to UI
  • Writing unit tests, fixing bugs, and documenting when needed
  • Troubleshooting and resolving production issues
  • Collaborating closely with business stakeholders

Requirements For Senior Full-Stack Developer (Optimizely)

TypeScript
Node.js
React
  • 4+ years of hands-on experience in Microsoft .NET/ASP.NET Core and SQL Server
  • Solid grasp of software design patterns and architectural principles
  • Proven experience in full-stack development with C# and web technologies
  • Strong understanding of performance, quality, and security in web applications
  • Familiarity with Agile practices like CI/CD, TDD, and code reviews
  • Experience with React is a plus
  • English proficiency at B2 level or higher
  • Excellent communication skills and collaborative mindset
  • Experience with serverless/microservices architectures
  • Knowledge of RESTful APIs on .NET
  • Experience with Headless CMS Optimizely setups

Benefits For Senior Full-Stack Developer (Optimizely)

Medical Insurance
Dental Insurance
Vision Insurance
  • Competitive salary
  • Permanent contract after probation
  • Development package
  • Team building events
  • Activity-based office in Poznan's city center
  • Home office up to 2 days per week
  • Flexible working hours (7:00 AM - 9:00 AM start)
  • Home office subsidy
  • Private Medical Care
  • Multikafeteria MyBenefit
  • Wellbeing program
  • Extra Day Off for voluntary activities
  • Modern office space
  • Subsidized canteen with food & fruit

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